保存image到database

public bool SaveImage(string filePath)

{

bool isSuccess = false;

string FilePath = filePath;

string filename = FilePath.Substring(FilePath.LastIndexOf("\\") + 1); //得到上传文件的文名

string filetext = string.Empty;

FileStream fs = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.Read);

BinaryReader br = new BinaryReader(fs);

byte[] fileByte = br.ReadBytes((int)fs.Length);//将流读入到字节数组中

//Byte[] fileByte = new Byte[(int)fs.Length];

//fs.Read(fileByte, 0, fileByte.Length);

//filetext = System.Text.Encoding.Default.GetString(fileByte); //将指定字节数组中的说有字节解码为一个字符串

SqlConnection conn = new SqlConnection(@"server=.;database=SoyErp2.0;uid=sa;pwd=sa;");

conn.Open();

StringBuilder strSql = new StringBuilder();

strSql.Append("INSERT INTO dbo.picSaveToSql ( ImgFile) VALUES ( @Photo )");

SqlCommand cmd = new SqlCommand(strSql.ToString(), conn);

cmd.Parameters.Add("@Photo", SqlDbType.Binary).Value = fileByte;

isSuccess =cmd.ExecuteNonQuery()>0?true:false;

conn.Close();

fs.Close();

return isSuccess;

}

//从database获取图片

public Bitmap Get_Image()

{

byte[] imagebytes = null;

SqlConnection conn = new SqlConnection(@"server=.;database=SoyErp2.0;uid=sa;pwd=sa;");

conn.Open();

SqlCommand com = new SqlCommand(" SELECT * FROM picSaveToSql WHERE Id=4 ", conn);

SqlDataReader dr = com.ExecuteReader();

while (dr.Read())

{

imagebytes = (byte[])dr.GetValue(1);

}

dr.Close();

conn.Close();

MemoryStream ms = new MemoryStream(imagebytes);

Bitmap bmpt = new Bitmap(ms);

return bmpt;

}